Sagot :
1 hour is equal to 60 minutes
= 60 : 90
= 20 : 30
= 2 : 3
The answer will be 2:3
= 60 : 90
= 20 : 30
= 2 : 3
The answer will be 2:3
2:3; probably. :) It will happen when you break down 60:90 to 20:30 then to 2:3 which is the final answer.